31518315

素因数分解:

$3^6\times 5^1\times {\mathrm{8647}}^1$

素因数の和:8670

約数の個数: 28

約数和(自身を含む): 56713584

約数和(自身を除く): 25195269

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 8647, 25941, 43235, 77823, 129705, 233469, 389115, 700407, 1167345, 2101221, 3502035, 6303663, 10506105, 31518315]

約数ペア:

[(1, 31518315), (3, 10506105), (5, 6303663), (9, 3502035), (15, 2101221), (27, 1167345), (45, 700407), (81, 389115), (135, 233469), (243, 129705), (405, 77823), (729, 43235), (1215, 25941), (3645, 8647)]